Bazel 5.1 (#2124)

* upgrade to bazel 5.1.1

* upgrade grpc to 1.49.1

* put std=c++20 into bazelrc, but move Werror into COPTS

* don't upgrade scala yet


Former-commit-id: afcd3fb717b68c7c03b249079f4e9af44a9ff519

.bazelrc

@@ -13,6 +13,9 @@ test --worker_sandboxing
 build --jobs=16
 test --jobs=16
 
+build --cxxopt="--std=c++20"
+test --cxxopt="--std=c++20"
+
 build --java_language_version=11
 test --java_language_version=11
 build --java_runtime_version=remotejdk_11

.bazelversion

@@ -1 +1 @@
-5.0.0
+5.1.1

WORKSPACE

@@ -7,10 +7,10 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 #
 http_archive(
     name = "com_github_grpc_grpc",
-    sha256 = "e18b16f7976aab9a36c14c38180f042bb0fd196b75c9fd6a20a2b5f934876ad6",
-    strip_prefix = "grpc-1.45.2",
+    sha256 = "5071b630e2a14707ad060636990f1b25b0984bd168c7ea1ab95e48a3bdc0081f",
+    strip_prefix = "grpc-1.49.1",
     urls = [
-        "https://github.com/grpc/grpc/archive/refs/tags/v1.45.2.tar.gz",
+        "https://github.com/grpc/grpc/archive/refs/tags/v1.49.1.tar.gz",
     ],
 )
 

tools/copts.bzl

@@ -1,3 +1,3 @@
-COPTS = ["--std=c++20"]
+COPTS = ["--std=c++20", "-Werror"]
 
 TEST_COPTS = COPTS + ["-Iexternal/gtest/include"]